.el-card {
  .card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;

    .left {
      display: flex;
      align-items: center;
    }

    .right {
      width: 100%;
      display: flex;
      align-items: center;

      .el-input, .el-select {
        width: 200px;
        margin-right: 10px;
      }
    }
  }

  h2, h3 {
    position: relative;
    padding-left: 20px;
    font-size: 24px;
    font-weight: bold;
  }

  h2::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 5px;
    height: 100%;
    background-color: #007bff;
  }

  h3:before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 5px;
    height: 100%;
    background-color: #007bff;
  }
}

.page {
  float: right;
  margin: 20px;
}


.m-l-20 {
  margin-left: 20px;
}

.m-r-20 {
  margin-right: 20px;
}

.m-t-20 {
  margin-top: 20px;
}

.m-b-20 {
  margin-bottom: 20px;
}
